78236440

素因数分解:

$2^3\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{1861}}^1$

素因数の和:2923

約数の個数: 32

約数和(自身を含む): 176294160

約数和(自身を除く): 98057720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1051, 1861, 2102, 3722, 4204, 5255, 7444, 8408, 9305, 10510, 14888, 18610, 21020, 37220, 42040, 74440, 1955911, 3911822, 7823644, 9779555, 15647288, 19559110, 39118220, 78236440]

約数ペア:

[(1, 78236440), (2, 39118220), (4, 19559110), (5, 15647288), (8, 9779555), (10, 7823644), (20, 3911822), (40, 1955911), (1051, 74440), (1861, 42040), (2102, 37220), (3722, 21020), (4204, 18610), (5255, 14888), (7444, 10510), (8408, 9305)]